Bayer HealthCare RapidPoint 400 Series Service Manual page 207

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D70 Qualifier Descriptions
D70 indicates a failure of the CO-ox optical measurement system. These
failure modes encompass the illumination, optics, and measurement
components. Most failures are electronic.
Rev. C
Probable Cause and Corrective Action
Service Solutions
Perform service solutions only after all other corrective actions
have been completed.
For Error 9:
1. Repeat 2-point calibrations.
2. Check that the screws are tight on the polychromator to
ensure it is properly grounded.
3. Remove the polychromator ribbon cable and reattach. Then
restart the system.
4. If the error persists, replace the polychromator module.
5. Replace the Main board.
For Error 12:
1. Perform the Wavelength Calibration test without the
cartridge.
2. Replace the polychromator module.
Troubleshooting 207